fix: don't break generic params into mulitple lines (#167)

Author: bram209

formatter/src/formatter/element.rs

@@ -480,6 +480,29 @@ mod tests {
         insta::assert_snapshot!(formatted, @"<SizeOf<String> />");
     }
 
+    #[test]
+    fn with_closing_tag_generics() {
+        let formatted = format_element! { <SizeOf<String>></SizeOf<String>> };
+        insta::assert_snapshot!(formatted, @"<SizeOf<String>></SizeOf<String>>");
+    }
+
+    #[test]
+    fn with_generics_and_attributes() {
+        let formatted = format_element! { <FormDialog<CreatePost> status="DRAFT" foo={bar} someeeee="looooeeeeeeeeeeeeeeong_attrr">
+            <Input label="Title" />
+           </FormDialog<CreatePost>>
+        };
+        insta::assert_snapshot!(formatted, @r###"
+        <FormDialog<CreatePost>
+            status="DRAFT"
+            foo=bar
+            someeeee="looooeeeeeeeeeeeeeeong_attrr"
+        >
+            <Input label="Title" />
+        </FormDialog<CreatePost>>
+        "###);
+    }
+
     // Closing Tags Behaviour
 
     #[test]

formatter/src/formatter/mod.rs

@@ -240,6 +240,18 @@ impl<'a> Formatter<'a> {
     }
 
     pub fn format_syn_generics(&mut self, generics: &Generics) {
-        leptosfmt_prettyplease::unparse_fn(self.printer, None, |p| p.generics(generics));
+        if generics.params.is_empty() {
+            return;
+        }
+
+        self.printer.word("<");
+        let mut params = generics.params.iter().peekable();
+        while let Some(param) = params.next() {
+            leptosfmt_prettyplease::unparse_fn(self.printer, None, |p| p.generic_param(param));
+            if params.peek().is_some() {
+                self.printer.word(", ");
+            }
+        }
+        self.printer.word(">");
     }
 }

prettyplease

@@ -33,10 +33,6 @@ impl<T> RingBuffer<T> {
         self.data.clear();
     }
 
-    pub fn index_of_first(&self) -> usize {
-        self.offset
-    }
-
     pub fn index_range(&self) -> Range<usize> {
         self.offset..self.offset + self.data.len()
     }